(e) Suggest the test for the gas evolved.
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When an acid react with a metal it liberates hydrogen gas. To test the presence of H2 gas, bring a burning splinter near the mouth of the test tube where H2 gas is released, the match stick bums with a pop sound. Q4. ... The gas evolved extinguishes a burning candle.
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ok I will be tested but it will be not ready to me and I will be ready for you
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